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40.52.9.021.2001 Finder Miniature PCB relay 2pole 8A DC 21V

40.52.9.021.2001 Finder Miniature PCB relay 2pole 8A DC 21V

Finder 40.52.9.021.2001 miniature electromechanical relay with 24 V AC coil and 8 A DPDT contacts designed for PCB and industrial control applications.

SKU: 40.52.9.021.2001Alt SKU: 405290212001MPN: 40.52.9.021.2001
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Why Choose the Finder 40.52.9.021.2001 Miniature PCB Relay?

The Finder 40.52.9.021.2001 is a compact and reliable miniature electromechanical relay designed for PCB mounting and industrial control applications. As part of the established Finder 40 Series relay range, it provides dependable switching performance for automation systems, electronic equipment and electrical control panels.

This relay features a double changeover (DPDT / 2CO) contact configuration with AgNi contact material, providing reliable switching for a wide range of resistive and inductive loads. Its compact construction enables integration into space-limited electrical assemblies requiring dependable relay technology.

With a 24 V AC coil and 8 A contact rating, the Finder 40.52.9.021.2001 is suitable for industrial automation, control systems, OEM equipment and general-purpose switching applications requiring a robust miniature relay solution.

Key Advantages

  • Compact Finder 40 Series miniature relay for professional control applications.
  • 24 V AC coil voltage suitable for industrial and electronic control systems.
  • 2 changeover contacts (DPDT / 2CO) for flexible switching configurations.
  • 8 A contact rating for reliable load switching.
  • AgNi contact material for dependable electrical performance.
  • Suitable for automation systems, control panels and OEM equipment.

Key Features

  • Finder 40 Series miniature relay.
  • 2 changeover contacts (DPDT / 2CO).
  • 24 V AC nominal coil voltage.
  • 8 A maximum contact current.
  • 8 A at 250 V AC contact rating.
  • AgNi silver nickel contact material.
  • PCB or socket mounting capability.
  • Monostable relay operation.
  • RT III protection category.

Reliable Switching for Industrial Control Systems

Miniature relays such as the Finder 40.52.9.021.2001 provide electrical isolation and dependable switching between control circuits and connected loads. Their compact footprint enables reliable relay integration into modern automation equipment and electronic assemblies.

The Finder 40 Series combines robust construction, flexible contact arrangements and long service life, making it suitable for professional industrial and commercial control applications.

Typical Applications

  • Industrial automation control systems.
  • Electrical control panels and cabinets.
  • PCB-based electronic equipment.
  • OEM machinery and production equipment.
  • Building automation systems.
  • General-purpose switching circuits.

Technical Specifications

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Device Type Plug-in Relay
Mounting Type PCB, Plug-in socket
Switching Current (A) 8 A
Coil / Supply Voltage 24 V AC
Contacts 2 C/O
Manufacturer Finder
Series 40 Series
Model 40.52.9.021.2001
Product type Miniature electromechanical relay
Contact configuration 2CO (DPDT)
Rated coil voltage 24 V AC
Contact current 8 A
Contact rating 8 A / 250 V AC
Contact material AgNi
Coil frequency 50 / 60 Hz
Mounting type PCB mounting / relay socket
Dimensions (H × W × D) approx. 25 × 12.4 × 29 mm
Operating temperature -40…85 °C

Frequently Asked Questions

What is the Finder 40.52.9.021.2001 used for?

The Finder 40.52.9.021.2001 is a miniature electromechanical relay used for switching and isolation in industrial automation, control panels and electronic equipment.

What coil voltage does this relay require?

The relay operates with a 24 V AC coil.

How many contacts does the Finder 40.52.9.021.2001 have?

The relay features 2 changeover contacts (DPDT / 2CO) for flexible circuit switching.

What is the contact rating of this relay?

The relay has a maximum contact rating of 8 A at 250 V AC.

Where can this relay be installed?

The Finder 40.52.9.021.2001 is suitable for PCB mounting or use with compatible relay sockets in industrial and electronic applications.

Trusted by Engineers Worldwide

Finder 40 Series relays provide reliable miniature switching solutions for automation engineers, OEM manufacturers and control system designers requiring compact and dependable relay technology.